Henan Aosman Biotechnology Co., LTD
Telephone13761588971 17719817155
Websitehttp://www.osmanbio.com/contact.html
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0_EN.htm
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonehanfangpharma@126.com 18753188107
Websitehttps://hanfangpharma@126.com
Xi'an Zhengliu Biotechnology Co., Ltd
Telephone 15594552852
Websitehttp://www.xianzhengliu.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/